<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1.姓名案例_methods实现</title>
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <div id="root">
        姓：<input type="text" v-model="firstName" /> <br/><br/>
        名：<input type="text" v-model="lastName"/> <br/><br/>
        全名: <span>{{fullName()}}</span> <br/>
    </div>  


    <script>
        const vm = new Vue({
            el:'#root',
            data() {
                return {
                    firstName:"zhang",
                    lastName:'san',
                }
            },
            methods: {
                fullName(){
                    console.log('fullName方法被调用~')
                    return this.firstName+'-'+this.lastName
                }
            },
        })
    </script>
</body>
</html>